1 // SPDX-License-Identifier: GPL-2.0-or-later
8  * All Rights Reserved.
25 		dram_limit_addr = FIELD_GET(DF4_DRAM_LIMIT_ADDR, ctx->map.limit);  in addr_over_limit()
27 		dram_limit_addr = FIELD_GET(DF2_DRAM_LIMIT_ADDR, ctx->map.limit);  in addr_over_limit()
30 	dram_limit_addr |= GENMASK(DF_DRAM_BASE_LIMIT_LSB - 1, 0);  in addr_over_limit()
33 	if (ctx->ret_addr > dram_limit_addr) {  in addr_over_limit()
35 			  ctx->ret_addr, dram_limit_addr);  in addr_over_limit()
36 		return -EINVAL;  in addr_over_limit()
44 	u32 reg = ctx->map.base;  in legacy_hole_en()
47 		reg = ctx->map.ctl;  in legacy_hole_en()
58 		addr += (BIT_ULL(32) - df_cfg.dram_hole_base);  in add_legacy_hole()
69 		addr -= (BIT_ULL(32) - df_cfg.dram_hole_base);  in remove_legacy_hole()
79 		base_addr = FIELD_GET(DF4_BASE_ADDR, ctx->map.base);  in get_base_addr()
81 		base_addr = FIELD_GET(DF2_BASE_ADDR, ctx->map.base);  in get_base_addr()
93 	return remove_legacy_hole(ctx, addr) - get_base_addr(ctx);  in remove_base_and_hole()
104 	if (ctx->map.intlv_mode == DF3_6CHAN)  in late_hole_remove()
115 		return -EINVAL;  in norm_to_sys_addr()
123 	ctx.inputs.norm_addr = addr;  in norm_to_sys_addr()
124 	ctx.inputs.socket_id = socket_id;  in norm_to_sys_addr()
125 	ctx.inputs.die_id = die_id;  in norm_to_sys_addr()
126 	ctx.inputs.coh_st_inst_id = coh_st_inst_id;  in norm_to_sys_addr()
129 		return -EINVAL;  in norm_to_sys_addr()
132 		return -EINVAL;  in norm_to_sys_addr()
135 		return -EINVAL;  in norm_to_sys_addr()
138 		return -EINVAL;  in norm_to_sys_addr()
144 		return -EINVAL;  in norm_to_sys_addr()
150 		return -EINVAL;  in norm_to_sys_addr()
158 	 * All Zen-based systems before Family 19h use the legacy  in check_for_legacy_df_access()
166 	/* All systems after Family 19h use the current offsets. */  in check_for_legacy_df_access()
179  * This library provides functionality for AMD-based systems with a Data Fabric.
180  * The set of systems with a Data Fabric is equivalent to the set of Zen-based systems
185  * an ever expanding list. Instead, match on the SMCA and Zen features to cover all
198 		return -ENODEV;  in amd_atl_init()
201 		return -ENODEV;  in amd_atl_init()
206 		return -ENODEV;  in amd_atl_init()